Table 134
Troubleshooting Test Steps
Values Results
1. Diagnostic Codes
A. Establish communication between the electronic service
tool and the Electronic Control Module (ECM). Refer to Trou-
bleshooting, “Electronic Service Tools”, if necessary.
B. Download the Warranty Report and the Product Status Re-
port with Histograms before performing any troubleshooting
or clearing any diagnostic codes.
Note: The downloaded information will be required by the
Technical Communicator if troubleshooting assistance is
needed.
C. Use the electronic service tool to check for active or logged
codes.
Diagnostic
codes
Result: There are active or logged codes.
Repair: Troubleshoot any codes before continuing with this
procedure.
Result: There are no active or logged codes.
Proceed to Test Step 2.
2. Electrical Connectors
A. Check all electrical connectors for damage. Refer to Trou-
bleshooting, “Electrical Connectors - Inspect”.
B. Make sure that all the connector seals are in place and that
the connectors have been correctly installed.
Electrical
connectors
Result: An electrical connector is damaged.
Repair: Repair the electrical connector or replace the electri-
cal connector.
Result: A connector seal is displaced or missing or an electri-
cal connector is not correctly installed.
Repair: Repair the electrical connector or replace the electri-
cal connector.
Result: All electrical connectors are OK.
Proceed to Test Step 3.
3. ECM Connection
A. Check that the P2/J2 connector is correctly installed.
Note: If a fault is suspected with the ECM power or ground
connections, refer to Troubleshooting, “Electrical Power Sup-
ply - Test”.
ECM connection Result: An ECM connector is not correctly installed.
Repair: Repair the electrical connector or replace the electri-
cal connector.
Result: Both ECM connectors are correctly installed.
Proceed to Test Step 4.
(continued)
UENR4469-36 249
Symptom Troubleshooting
Copyright of Perkins Engine Company Limited. NOT FOR REPRINTING OR RESALE
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